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Test method for accelerometer signal acquisition board

A signal acquisition board, accelerometer technology, applied in the testing/calibration of speed/acceleration/shock measurement equipment, speed/acceleration/shock measurement, electronic circuit testing, etc. Problems such as poor consistency of test results, to achieve the effect of convenient and intelligent operation, avoiding manual or semi-automatic operation, and overcoming the cumbersome test process

Active Publication Date: 2021-07-02
西安现代控制技术研究所
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AI Technical Summary

Problems solved by technology

[0003] In the performance verification process of the accelerometer signal acquisition board, the test system usually includes a reference source, a four-way regulated power supply, a counter and an accelerometer signal acquisition board, using manual or semi-automatic methods. Relying on manual recording and calculation, poor consistency of test results, consuming a lot of manpower and material resources, and low work efficiency

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  • Test method for accelerometer signal acquisition board
  • Test method for accelerometer signal acquisition board

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Embodiment 1

[0095] This embodiment specifically describes a preferred solution of the technical solution of the present invention.

[0096] like figure 2 As shown, the test equipment load of the accelerometer signal acquisition board involved in this preferred solution is three sets of accelerometer signal acquisition boards, and the specific implementation process is described as follows:

[0097] a. The test equipment is powered on, the relevant parameter settings are confirmed, and the parameter setting module 1 outputs three-way information after receiving the initial parameters, which are respectively outputting reference control information to the reference source network module 2, outputting power control information to the power supply module 3 and Board information processing module 5 outputs parameter information;

[0098] b. After the reference source network module 2 receives the reference control information of the parameter setting module 1, it realizes the information int...

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Abstract

The invention belongs to the technical field of performance verification of signal acquisition boards, and in particular relates to a test method for an accelerometer signal acquisition board. In order to solve the problems existing in aspects such as current accelerometer signal acquisition board test power supply, test method and result recording, the test method provided by the present invention is implemented based on test equipment, and the test equipment includes: parameter setting module, reference source network module , a power supply module, an acquisition board network module and an acquisition board information processing module. The technical solution can realize the automatic test of the performance of the accelerometer signal acquisition board, integrated power supply, automatic control of the reference source and automatic storage of test results, so as to achieve the purpose of efficient optimization.

Description

technical field [0001] The invention belongs to the technical field of performance verification of signal acquisition boards, and in particular relates to a test method for an accelerometer signal acquisition board. Background technique [0002] An inertial navigation device is usually composed of a gyroscope, an accelerometer, a signal acquisition circuit, a secondary power supply, and a navigation computer. Among them, the current signal output by the accelerometer needs to be converted into a digital signal by using a conversion circuit. The implementation of the current signal conversion circuit is generally A / D conversion based on successive approximation and current-to-frequency conversion based on cumulative effect (referred to as I / F conversion). ), no matter which conversion circuit is used, the accuracy and stability of the weak current signal conversion will directly affect the accuracy of the inertial navigation device, so it is necessary to conduct a comprehensi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/28G01P21/00
Inventor 刘琴田荣军李小博赵伟高陈沣阮娟杨鹏翔杨朝明罗苏慧李应举翟亚东林宏波张娇栗子丰
Owner 西安现代控制技术研究所
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